23031522512969 has 2 divisors, whose sum is σ = 23031522512970. Its totient is φ = 23031522512968.

The previous prime is 23031522512939. The next prime is 23031522513161. The reversal of 23031522512969 is 96921522513032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17380252495369 + 5651270017600 = 4168963^2 + 2377240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23031522512969 is a prime.

It is a super-2 number, since 2×23031522512969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23031522512939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515761256484 + 11515761256485.

It is an arithmetic number, because the mean of its divisors is an integer number (11515761256485).

Almost surely, 2^{23031522512969} is an apocalyptic number.

It is an amenable number.

23031522512969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031522512969 is an equidigital number, since it uses as much as digits as its factorization.

23031522512969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 23031522512969 in words is "twenty-three trillion, thirty-one billion, five hundred twenty-two million, five hundred twelve thousand, nine hundred sixty-nine".